This comprehensive service repair manual for all 2003 Arctic Cat snowmobile models provides detailed instructions and illustrations for servicing, repairing, and maintaining your snowmobile. It covers a wide range of topics, including:

**General Specifications:** This section offers vital information about your snowmobile, such as identification, recommended gasoline and oil, break-in procedures, genuine parts, high altitude operation, drive chain lubrication, low oil pressure warning light, preparation for storage, preparation after storage, and post break-in checkup checklists.

**Engine:** This section includes detailed specifications for both 2-stroke and 4-stroke engines, covering cylinder head volumes, piston travel versus crank angle charts, crankshaft runout/repair specifications, torque specifications, assembly schematics, oil consumption specifications, and specifications for specific systems like Arctic Power Valve (APV), EFI, throttle valve angle, fuel pump, and carburetor.

**Engine-Related Items:** This section covers troubleshooting engine problems for carbureted, 2-stroke EFI, and 4-stroke models. It also provides guidance on servicing components like the water pump, spark plugs, valves, engine oil and filter, oil pressure, liquid cooling system, recoil starter, air silencer, turbocharger/intercooler (if applicable), and Arctic Power Valve (APV) system.

**Fuel Systems:** Detailed information on fuel systems is provided, including specific sections for carbureted, EFI, and related fuel system components.

**Electrical Systems:** This section covers the ignition system, throttle position sensor, main wiring harness, voltage regulator, low-oil light sensor, coolant temperature warning light, fuel gauge sender, electric fuel pump, ignition components, emergency stop switch, fuse, ignition switch (electric start function), starter motor, magneto, electric start ignition timing, brake light switch, headlight dimmer switch, speedometer sensor, accessories, and servomotor troubleshooting.

**Drive Train, Track & Brake Systems:** This section focuses on drive chain and sprockets, drive chain, track, and driveshaft brakes, drive belt, drive clutch, drive clutch/driven pulley, drive train/brake disc, drive sprockets, track tension and alignment, hydraulic brake system, hydraulic brake system troubleshooting, drive clutch/driven pulley troubleshooting, and drive belt troubleshooting.

**Rear Suspension:** This section provides an understanding of the suspension system, suspension setup basics, chassis and skid frame mounting locations, servicing the rear suspension, servicing ACT shocks, rebuilding/recharging air shocks, and pressurizing rebuildable shocks.

**Steering and Body:** This section covers steering post, ski wear bar, tie rods and steering links, spindle steering tie rod, ski alignment, front suspension arms, front suspension (ski) shock absorber, sway bar, front suspension mounting bracket, console, front bumper/belly pan assembly, gas tank/seat assembly, seat cushion, taillight/brakelight assembly, windshield, backrest/rack assembly, tunnel/chassis/rear bumper/snow flap, headlight assembly, and adjusting headlight aim.

This manual provides a comprehensive resource for all your 2003 Arctic Cat snowmobile repair needs. Whether you are a seasoned mechanic or a DIY enthusiast, it offers the detailed information you need to tackle any repair or maintenance task.

The Arctic Cat 2003 Snowmobile Service Repair Manual is an essential resource for anyone looking to maintain, repair, or troubleshoot their Arctic Cat snowmobile. This comprehensive manual provides detailed information on all Arctic Cat snowmobile models from the 2003 model year, covering a wide range of models including the popular Bearcat, Panther, and ZR series. It’s designed to be user-friendly and includes clear diagrams, step-by-step instructions, and troubleshooting tips, making it the ideal companion for both novice and experienced mechanics.

The manual covers a vast range of topics, from basic maintenance procedures like oil changes and air filter cleaning to complex repairs involving engine overhauls, suspension adjustments, and electrical system diagnostics. It also includes detailed specifications for each model, allowing you to identify the correct parts and ensure proper maintenance. Whether you’re planning a routine tune-up, fixing a broken component, or simply looking to understand the intricacies of your snowmobile, the 2003 Arctic Cat Snowmobile Service Repair Manual provides the information you need to keep your machine running smoothly. Its comprehensive coverage, detailed illustrations, and easy-to-follow instructions make it an invaluable tool for any Arctic Cat snowmobile owner.